I feel extremely privileged to be able to attend a symposium to mark the 70th birthday of physicist Professor Stephen Hawking, a brilliant cosmologist acclaimed globally whose life has surpassed medical expectations.
Spiral galaxy NGC 4151 may not have the snappiest of names, but as this image proves, it sure looks impressive. Using data
The "super massive" black hole at the centre of our galaxy is luring its prey steadily towards, and we can witness it for
Nasa's Wide-field Infrared Survey Explorer has captured data of a black hole's flaring jet, re-created here in an artist's